A Mersenne prime has the form 2n-1 and n is prime. Examples are the Mersenne prime 7 (23 - 1 = 7) and the Mersenne prime 127 (27 - 1 = 127). The first forty Mersenne primes are 2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607, 1279, 2203, 2281, 3217, 4253, 4423, 9689, 9941, 11213, 19937, 21701, 23209, 44497, 86243, 110503, 132049, 216091, 756839, 859433, 1257787, 1398269, 2976221, 3021377, 6972593, 13466917, and 20996011.
Mersenne primes are a class of prime numbers, named after Marin Mersenne, the 17th Century French monk, who studied. They are of the form Mn = 2n-1 where p is a prime. In fact, if Mn is a prime, then n must itself be a prime. However, the primality of n is not a sufficient condition. That is, if p is a prime then Mp need not be a prime. For example, M11 = 211 - 1 = 2047 = 23*89.
You is called a prime number!You is called a prime number!You is called a prime number!You is called a prime number!
7 is a prime number!
A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even number if one of the prime numbers is 2. A prime number times a prime number will be a number with four factors unless both prime numbers are the same, in which case it will be a square number with only three factors.
109 is a prime number.
167 is a prime number.
101 is a prime number. The only factor of 101 is itself and 1.prime
19 is a prime number.19 is a prime number.19 is a prime number.19 is a prime number.
37 is an odd prime number
No.
503 is a prime number.
180 is not a prime number.